package com.servlet;

import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet("/rectanglePerimeterServlet")
public class rectanglePerimeterServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        super.doPost(req, resp);
//        double value;
//        double Long = 0;
//        double Width = 0;
//        String S_long = req.getParameter("S_Long");
//        String S_width = req.getParameter("S_Width");
//        if (S_long != null && S_width != null) {
//            Long = Double.parseDouble(S_long);
//            Width = Double.parseDouble(S_width);
//        } else value = 0;
//        value = Long * Width;
        double value;
        value = (Double.parseDouble(req.getParameter("S_Long")) + Double.parseDouble(req.getParameter("S_Width"))) * 2;
        resp.setCharacterEncoding("UTF-8");
        req.setCharacterEncoding("UTF-8");
        PrintWriter out = resp.getWriter();
        out.println(value);
    }

    @Override
    public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
        super.service(req, res);
    }

    @Override
    public void init() throws ServletException {
        super.init();
    }
}
